1. The syndrome here described in six Bulgarian subjects is characterised by partial duplication of the foot or diplopodia, combined with either hyperplasia or aplasia of the tibia. The accessory elements are located along the medial border of the "normal" foot and consist of two or three toes with related metatarsal and tarsal bones. The fibula is not directly involved.

2. No evidence of familial inheritance was found in these cases.

3. Various reconstructive measures and the place of amputation of the whole foot are discussed in the course of the six case reports.